• Solid forged brass construction. 
• 2 1/8" cross bore and 1" edge bore for latch. 
• Accommodates door thickness 1 3/8" to 2".
• Adjustable backset latch fits 2 3/8" (60mm) or 2 3/4" (70)mm prebored doors. 
• **Half Dummy is surface mounted. Door must not be bored. 
• Limited Lifetime Mechanical Warranty and Limited 25 Year Finish Warranty.  
• All privacy function are available as push-button locking; easily unlock by the door by turning the knob or lever. 
• Ships in 2-3 weeks